W = L - 7
WL = 78
(L-7)L = 78
L^2 - 7L - 78 = 0
Factorize: (L-13)(L+6) = 0
L = 13 or -6
A length cannot be negative, so the length must be 13 miles.
The width is 13-7 = 6 miles.
The jet rate against wind is 732 mi an hour (1464/2) and 852 with the wind (1704/2)
Answer:
10x-2x-4=8x-4 اتمنى لك التوفيق
Ron must work 9 hours. If he makes 300 every 5 hours, that means he makes 60 every hour. 60x9 = 540
Answer:
35
Step-by-step explanation:
15+14+6
15+14= 29
29+6= 35
